TABLE 2 Estimation of Rounding Model for Departure Times,,,, Coefficient,Maximum likelihood estimate,,Standard error, a5,0.500,,0.00142, b5,,–0.0360,,0.00075 a15,0.284,,0.00142, b15,, 0.0016,,0.00017 a30,0.177,,0.00149, b30,, 0.00015,,0.00008 a60,0.0093,,0.00108, b60,, 0.00055,,0.00004 log-likelihood,–1.376.106,,, log-likelihood (L0),–2.252.106,,,